package org.devocean.groupbuying.service;

import java.util.List;

import org.devocean.groupbuying.domain.Discount;

public interface DiscountService {

	Discount getDiscountById(Integer discountID);

	Discount addOrUpdateDiscount(Discount discount);

	void removeDiscount(Integer discountID);

	long countDiscounts();

	List<Discount> getAllDiscounts();

	long countDiscountValidKeys(Integer discountID);

}
